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  1. I read your title as "bus collector" :lol: ...

    I read your title as "bus collector" :lol:



    http://4.bp.blogspot.com/-GC3Xfltu5Bg/T_SXLvtWg8I/AAAAAAAAEXs/tpWCLhdEEIY/s1600/NetworkVaultCollectorBus-2.jpg
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    Serious Question here. It says the Times Square...

    Serious Question here. It says the Times Square network (which did not go down to my knowledge) is fed from West 50th st? :?:? Does this mean West 50th st never went down, or does it mean Times...
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    Upper Manhattan networks

    Upper Manhattan networks
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    A "lightly" loaded area Substation for Fox Hills...

    A "lightly" loaded area Substation for Fox Hills / Willow Brook / Woodrow
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    First iteration of West 49th and 65th....

    First iteration of West 49th and 65th. :lol::eek::sick: Needs a transfer bus among other things.
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    FWIW several years ago I mussed and drew up some...

    FWIW several years ago I mussed and drew up some plans on my own for gradually converting the entire system over to GIS and ditching the fluid filled cables. Some 500kv loops starting at Pleasant...
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    Nooo. 77 was the loss of the entire Con Ed...

    Nooo.

    77 was the loss of the entire Con Ed system. July 2019 was just West 49th st and all the substations it feeds.
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    Millwood (feeding through East view) and Pleasant...

    Millwood (feeding through East view) and Pleasant valley actually. Only one 345kv line connects to Buchanan directly. Buchanan then connects to Indian point.

    See pics





    Outdoors and...
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    Perhaps not the event, but if they are telling...

    Perhaps not the event, but if they are telling you guys is there anything the public can read on? Anything in PAC world? IEEE?
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    Was lecture recorded? Is there any paper out on...

    Was lecture recorded? Is there any paper out on the event? I would give anything know.
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    The local substations: 1) West 50th st has...

    The local substations:


    1) West 50th st has Five 138kv-13.8kv transformers each 65 MVA. This station supplies the Hudson network.

    2) Astor has Five 138kv-13.8kv transformers each rated 65MVA....
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    Transformers- I know you were asking about them....

    Transformers- I know you were asking about them.


    West 49th st has Five 345kv-138kv auto transformers, each rated 420 MVA.

    There is room for two more if seven total are ever needed.

    The...
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    Thank you for sharing this! This is why I post...

    Thank you for sharing this! This is why I post here.

    Could be a coincidence, could be related.

    I can't see a 13.8kv fault pulling the voltage down all the way to Pittsburgh, but if it somehow...
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    The 4 substations supplied by West 49th st:

    The 4 substations supplied by West 49th st:
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    Here is the public supporting data: ...

    Here is the public supporting data:


    https://res.cloudinary.com/engineering-com/image/upload/v1563230166/tips/49th_St_Sub_Outage_kotvei.jpg




    Page 15:
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    Here is the West 49st substation. It is a bulk...

    Here is the West 49st substation. It is a bulk substation.

    It takes in Five 345kv feeders and steps down 345kv to 138kv via 5 auto-transformers.


    It puts out 11 138kv feeders which supply...
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    A "network" can handle the loss of any medium...

    A "network" can handle the loss of any medium voltage feeder cable without customer outages, or in the case of Con Edison two feeder cables can simultaneously fail without customers loosing power.
    ...
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    Part 2:

    Part 2:
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    Con Ed released a report after the Washington...

    Con Ed released a report after the Washington Heights network outage in 1999.


    The appendix lists the typical yearly medium voltage cable failures for various networks in a given year:
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    Keep in mind the media tosses the term...

    Keep in mind the media tosses the term "transformer explosion" around to describe everything electrical to which everyone follows leading to the perception thats what actually happened.



    From...
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    So what happens when a 12.47kv distribution...

    So what happens when a 12.47kv distribution feeder with 2,000 smaller distribution transformers trips from a tree in the line?


    Way off. I'm stunned you would say something like this.
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    Auto reclosing. And in some cases rewiring...

    Auto reclosing.


    And in some cases rewiring of the system after lockout (reclose attempts made and none of them held):


    https://www.youtube.com/watch?v=2VGs7FdrSIE
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    Just don't tell certain folks, it will give them...

    Just don't tell certain folks, it will give them ideas :lol::rant:
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    Would it even have a waveform?

    Would it even have a waveform?
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    The question IMHO is- was that parallel arc more...

    The question IMHO is- was that parallel arc more than 75 amps or as a series arc greater then 5 amps?
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